Mbed OS Reference | DTLSSocket.h Source File

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 /** @file DTLSSocket.h DTLSSocket */
 /*
  * Copyright (c) 2018 ARM Limited
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 /** @addtogroup netsocket
 * @{
 */
 
 #ifndef DTLSSOCKET_H
 #define DTLSSOCKET_H
 
 #include "DTLSSocketWrapper.h"
 #include "SocketAddress.h"
 #include "UDPSocket.h"
 
 // This class requires Mbed TLS SSL/TLS client code
 #if defined(MBEDTLS_SSL_CLI_C) || defined(DOXYGEN_ONLY)
 
 /**
  * \brief DTLSSocket implement DTLS stream over UDP Socket.
  *
  * This is a helper class that uses DTLSSocketWrapper with
  * internal UDPSocket.
  */
 
 class DTLSSocket : public DTLSSocketWrapper {
 public:
     /** Create an uninitialized DTLS socket.
      *
      *  Must call open to initialize the socket on a network stack.
      */
     DTLSSocket() : DTLSSocketWrapper(&_udp_socket) {}
 
     /** Destroy the DTLSSocket and closes the transport.
      */
     virtual ~DTLSSocket();
 
     /** Create a socket on a network interface.
      *
      *  Creates and opens a socket on the network stack of the given
      *  network interface.
      *  If hostname is also given, user is not required to call set_hostname() later.
      *
      *  @param stack    Network stack as target for socket.
      *  @param hostname Hostname used for certificate verification.
      */
     template <typename S>
     DTLSSocket(S *stack, const char *hostname = NULL) : DTLSSocketWrapper(&_udp_socket, hostname)
     {
         nsapi_error_t ret = _udp_socket.open(stack);
         MBED_ASSERT(ret == NSAPI_ERROR_OK);
     }
 
     /** Opens a socket.
      *
      *  Creates a network socket on the network stack of the given
      *  network interface. Not needed if stack is passed to the
      *  socket's constructor.
      *
      *  @param stack    Network stack as target for socket.
      *  @return         0 on success, negative error code on failure.
      */
     virtual nsapi_error_t open(NetworkStack *stack)
     {
         return _udp_socket.open(stack);
     }
 
     template <typename S>
     nsapi_error_t open(S *stack)
     {
         return open(nsapi_create_stack(stack));
     }
 
     using DTLSSocketWrapper::connect;
 
     /** Connects TCP socket to a remote host.
      *
      *  Initiates a connection to a remote server specified by either
      *  a domain name or an IP address and a port.
      *
      *  @param host     Hostname of the remote host.
      *  @param port     Port of the remote host.
      *  @return         0 on success, negative error code on failure.
      */
     nsapi_error_t connect(const char *host, uint16_t port);
 
 private:
     UDPSocket _udp_socket;
 };
 
 #endif
 #endif
 /** @} */
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